#include <stdio.h>

int main(){

	int a;
	char b;
	float c;
	double d;

	a = 100;
	b = 'A';
	c = 3.14;
	d = 3.141592653;

	printf("本季度营销量为：%d万台\n", a);
	printf("我的成绩为：%c\n", b);
	printf("圆周率是：%.2f\n", c);
	printf("圆周率精确到小数点后9为是：%11.9f\n", d);

	return 0;
}